Finding the Fourth Proportional to 152,798.63, 228,990.29 and 57,977.83

Step by Step Solution

1. Step 1: Write the proportion equation
   152,798.63 : 228,990.29 = 57,977.83 : x
2. Step 2: Convert to fraction form
   152,798.63/228,990.29 = 57,977.83/x
3. Step 3: Cross multiply
   152,798.63x = 228,990.29 × 57,977.83
4. Step 4: Simplify right side
   152,798.63x = 13,276,359,139.67
5. Step 5: Solve for x
   x = 13,276,359,139.67/152,798.63
6. Step 6: Final answer
   x = 86,887.95