Finding the Fourth Proportional to 152,068.64, 228,115.72 and 56,032

Step by Step Solution

1. Step 1: Write the proportion equation
   152,068.64 : 228,115.72 = 56,032 : x
2. Step 2: Convert to fraction form
   152,068.64/228,115.72 = 56,032/x
3. Step 3: Cross multiply
   152,068.64x = 228,115.72 × 56,032
4. Step 4: Simplify right side
   152,068.64x = 12,781,780,023.04
5. Step 5: Solve for x
   x = 12,781,780,023.04/152,068.64
6. Step 6: Final answer
   x = 84,052.70