Finding the Fourth Proportional to 30,884,312.76, 42,621,135.98 and 16,945,664.15

Step by Step Solution

1. Step 1: Write the proportion equation
   30,884,312.76 : 42,621,135.98 = 16,945,664.15 : x
2. Step 2: Convert to fraction form
   30,884,312.76/42,621,135.98 = 16,945,664.15/x
3. Step 3: Cross multiply
   30,884,312.76x = 42,621,135.98 × 16,945,664.15
4. Step 4: Simplify right side
   30,884,312.76x = 722,243,456,008,561
5. Step 5: Solve for x
   x = 722,243,456,008,561/30,884,312.76
6. Step 6: Final answer
   x = 23,385,446.90