Finding the Fourth Proportional to 152,417.76, 228,637.56 and 52,576.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,417.76 : 228,637.56 = 52,576.50 : x
2. Step 2: Convert to fraction form
   152,417.76/228,637.56 = 52,576.50/x
3. Step 3: Cross multiply
   152,417.76x = 228,637.56 × 52,576.50
4. Step 4: Simplify right side
   152,417.76x = 12,020,962,673.34
5. Step 5: Solve for x
   x = 12,020,962,673.34/152,417.76
6. Step 6: Final answer
   x = 78,868.52