Finding the Fourth Proportional to 152,630.64, 228,945.69 and 59,136.12

Step by Step Solution

1. Step 1: Write the proportion equation
   152,630.64 : 228,945.69 = 59,136.12 : x
2. Step 2: Convert to fraction form
   152,630.64/228,945.69 = 59,136.12/x
3. Step 3: Cross multiply
   152,630.64x = 228,945.69 × 59,136.12
4. Step 4: Simplify right side
   152,630.64x = 13,538,959,797.32
5. Step 5: Solve for x
   x = 13,538,959,797.32/152,630.64
6. Step 6: Final answer
   x = 88,704.08