Finding the Fourth Proportional to 109,609.50, 151,261.25 and 59,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,609.50 : 151,261.25 = 59,308.50 : x
2. Step 2: Convert to fraction form
   109,609.50/151,261.25 = 59,308.50/x
3. Step 3: Cross multiply
   109,609.50x = 151,261.25 × 59,308.50
4. Step 4: Simplify right side
   109,609.50x = 8,971,077,549.08
5. Step 5: Solve for x
   x = 8,971,077,549.08/109,609.50
6. Step 6: Final answer
   x = 81,845.80