Finding the Fourth Proportional to 152,818.62, 229,228.02 and 52,978.83

Step by Step Solution

1. Step 1: Write the proportion equation
   152,818.62 : 229,228.02 = 52,978.83 : x
2. Step 2: Convert to fraction form
   152,818.62/229,228.02 = 52,978.83/x
3. Step 3: Cross multiply
   152,818.62x = 229,228.02 × 52,978.83
4. Step 4: Simplify right side
   152,818.62x = 12,144,232,302.82
5. Step 5: Solve for x
   x = 12,144,232,302.82/152,818.62
6. Step 6: Final answer
   x = 79,468.28