Finding the Fourth Proportional to 105,157,043.04, 157,594,572 and 81,841,946.88

Step by Step Solution

1. Step 1: Write the proportion equation
   105,157,043.04 : 157,594,572 = 81,841,946.88 : x
2. Step 2: Convert to fraction form
   105,157,043.04/157,594,572 = 81,841,946.88/x
3. Step 3: Cross multiply
   105,157,043.04x = 157,594,572 × 81,841,946.88
4. Step 4: Simplify right side
   105,157,043.04x = 12,897,846,590,200,334
5. Step 5: Solve for x
   x = 12,897,846,590,200,334/105,157,043.04
6. Step 6: Final answer
   x = 122,653,188.20