Finding the Fourth Proportional to 102,810.49, 141,908.65 and 59,800.10

Step by Step Solution

1. Step 1: Write the proportion equation
   102,810.49 : 141,908.65 = 59,800.10 : x
2. Step 2: Convert to fraction form
   102,810.49/141,908.65 = 59,800.10/x
3. Step 3: Cross multiply
   102,810.49x = 141,908.65 × 59,800.10
4. Step 4: Simplify right side
   102,810.49x = 8,486,150,601.82
5. Step 5: Solve for x
   x = 8,486,150,601.82/102,810.49
6. Step 6: Final answer
   x = 82,541.68