Finding the Fourth Proportional to 102,312.72, 141,191.81 and 59,300.51

Step by Step Solution

1. Step 1: Write the proportion equation
   102,312.72 : 141,191.81 = 59,300.51 : x
2. Step 2: Convert to fraction form
   102,312.72/141,191.81 = 59,300.51/x
3. Step 3: Cross multiply
   102,312.72x = 141,191.81 × 59,300.51
4. Step 4: Simplify right side
   102,312.72x = 8,372,745,560.74
5. Step 5: Solve for x
   x = 8,372,745,560.74/102,312.72
6. Step 6: Final answer
   x = 81,834.84