Finding the Fourth Proportional to 152,066.64, 228,112.72 and 56,030

Step by Step Solution

1. Step 1: Write the proportion equation
   152,066.64 : 228,112.72 = 56,030 : x
2. Step 2: Convert to fraction form
   152,066.64/228,112.72 = 56,030/x
3. Step 3: Cross multiply
   152,066.64x = 228,112.72 × 56,030
4. Step 4: Simplify right side
   152,066.64x = 12,781,155,701.60
5. Step 5: Solve for x
   x = 12,781,155,701.60/152,066.64
6. Step 6: Final answer
   x = 84,049.70