Finding the Fourth Proportional to 42,744,068,705.30, 64,116,596,600.67 and 12,898,658,282.90

Step by Step Solution

1. Step 1: Write the proportion equation
   42,744,068,705.30 : 64,116,596,600.67 = 12,898,658,282.90 : x
2. Step 2: Convert to fraction form
   42,744,068,705.30/64,116,596,600.67 = 12,898,658,282.90/x
3. Step 3: Cross multiply
   42,744,068,705.30x = 64,116,596,600.67 × 12,898,658,282.90
4. Step 4: Simplify right side
   42,744,068,705.30x = 827,018,069,814,590,046,208
5. Step 5: Solve for x
   x = 827,018,069,814,590,046,208/42,744,068,705.30
6. Step 6: Final answer
   x = 19,348,136,358.20