Finding the Fourth Proportional to 102,615,809.27, 141,608,066.56 and 55,572,500.48

Step by Step Solution

1. Step 1: Write the proportion equation
   102,615,809.27 : 141,608,066.56 = 55,572,500.48 : x
2. Step 2: Convert to fraction form
   102,615,809.27/141,608,066.56 = 55,572,500.48/x
3. Step 3: Cross multiply
   102,615,809.27x = 141,608,066.56 × 55,572,500.48
4. Step 4: Simplify right side
   102,615,809.27x = 7,869,514,346,399,937
5. Step 5: Solve for x
   x = 7,869,514,346,399,937/102,615,809.27
6. Step 6: Final answer
   x = 76,689,102.81