Finding the Fourth Proportional to 103,192, 142,404.96 and 60,776.80

Step by Step Solution

1. Step 1: Write the proportion equation
   103,192 : 142,404.96 = 60,776.80 : x
2. Step 2: Convert to fraction form
   103,192/142,404.96 = 60,776.80/x
3. Step 3: Cross multiply
   103,192x = 142,404.96 × 60,776.80
4. Step 4: Simplify right side
   103,192x = 8,654,917,772.93
5. Step 5: Solve for x
   x = 8,654,917,772.93/103,192
6. Step 6: Final answer
   x = 83,871.98