Finding the Fourth Proportional to 152,598.89, 228,714.73 and 56,459.46

Step by Step Solution

1. Step 1: Write the proportion equation
   152,598.89 : 228,714.73 = 56,459.46 : x
2. Step 2: Convert to fraction form
   152,598.89/228,714.73 = 56,459.46/x
3. Step 3: Cross multiply
   152,598.89x = 228,714.73 × 56,459.46
4. Step 4: Simplify right side
   152,598.89x = 12,913,109,214.48
5. Step 5: Solve for x
   x = 12,913,109,214.48/152,598.89
6. Step 6: Final answer
   x = 84,621.25