Finding the Fourth Proportional to 102,554.91, 141,525.81 and 56,614.59

Step by Step Solution

1. Step 1: Write the proportion equation
   102,554.91 : 141,525.81 = 56,614.59 : x
2. Step 2: Convert to fraction form
   102,554.91/141,525.81 = 56,614.59/x
3. Step 3: Cross multiply
   102,554.91x = 141,525.81 × 56,614.59
4. Step 4: Simplify right side
   102,554.91x = 8,012,425,707.57
5. Step 5: Solve for x
   x = 8,012,425,707.57/102,554.91
6. Step 6: Final answer
   x = 78,128.15