Finding the Fourth Proportional to 152,715.05, 229,017.68 and 52,848.12

Step by Step Solution

1. Step 1: Write the proportion equation
   152,715.05 : 229,017.68 = 52,848.12 : x
2. Step 2: Convert to fraction form
   152,715.05/229,017.68 = 52,848.12/x
3. Step 3: Cross multiply
   152,715.05x = 229,017.68 × 52,848.12
4. Step 4: Simplify right side
   152,715.05x = 12,103,153,570.52
5. Step 5: Solve for x
   x = 12,103,153,570.52/152,715.05
6. Step 6: Final answer
   x = 79,253.18