Finding the Fourth Proportional to 102,391.00, 141,300.24 and 57,071.86

Step by Step Solution

1. Step 1: Write the proportion equation
   102,391.00 : 141,300.24 = 57,071.86 : x
2. Step 2: Convert to fraction form
   102,391.00/141,300.24 = 57,071.86/x
3. Step 3: Cross multiply
   102,391.00x = 141,300.24 × 57,071.86
4. Step 4: Simplify right side
   102,391.00x = 8,064,266,947.98
5. Step 5: Solve for x
   x = 8,064,266,947.98/102,391.00
6. Step 6: Final answer
   x = 78,759.53