Finding the Fourth Proportional to 8,172,025.30, 12,239,375.55 and 4,812,793.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,172,025.30 : 12,239,375.55 = 4,812,793.30 : x
2. Step 2: Convert to fraction form
   8,172,025.30/12,239,375.55 = 4,812,793.30/x
3. Step 3: Cross multiply
   8,172,025.30x = 12,239,375.55 × 4,812,793.30
4. Step 4: Simplify right side
   8,172,025.30x = 58,905,584,643,223.81
5. Step 5: Solve for x
   x = 58,905,584,643,223.81/8,172,025.30
6. Step 6: Final answer
   x = 7,208,199.01