Finding the Fourth Proportional to 99,549.37, 137,378.31 and 59,264.52

Step by Step Solution

1. Step 1: Write the proportion equation
   99,549.37 : 137,378.31 = 59,264.52 : x
2. Step 2: Convert to fraction form
   99,549.37/137,378.31 = 59,264.52/x
3. Step 3: Cross multiply
   99,549.37x = 137,378.31 × 59,264.52
4. Step 4: Simplify right side
   99,549.37x = 8,141,659,600.56
5. Step 5: Solve for x
   x = 8,141,659,600.56/99,549.37
6. Step 6: Final answer
   x = 81,785.15