Finding the Fourth Proportional to 107,047.31, 147,718.89 and 59,297.20

Step by Step Solution

1. Step 1: Write the proportion equation
   107,047.31 : 147,718.89 = 59,297.20 : x
2. Step 2: Convert to fraction form
   107,047.31/147,718.89 = 59,297.20/x
3. Step 3: Cross multiply
   107,047.31x = 147,718.89 × 59,297.20
4. Step 4: Simplify right side
   107,047.31x = 8,759,316,194.81
5. Step 5: Solve for x
   x = 8,759,316,194.81/107,047.31
6. Step 6: Final answer
   x = 81,826.59