Finding the Fourth Proportional to 102,663.19, 141,673.72 and 57,341.83

Step by Step Solution

1. Step 1: Write the proportion equation
   102,663.19 : 141,673.72 = 57,341.83 : x
2. Step 2: Convert to fraction form
   102,663.19/141,673.72 = 57,341.83/x
3. Step 3: Cross multiply
   102,663.19x = 141,673.72 × 57,341.83
4. Step 4: Simplify right side
   102,663.19x = 8,123,830,081.00
5. Step 5: Solve for x
   x = 8,123,830,081.00/102,663.19
6. Step 6: Final answer
   x = 79,130.90