Finding the Fourth Proportional to 13,214,298.30, 19,815,542.55 and 5,124,585.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,214,298.30 : 19,815,542.55 = 5,124,585.30 : x
2. Step 2: Convert to fraction form
   13,214,298.30/19,815,542.55 = 5,124,585.30/x
3. Step 3: Cross multiply
   13,214,298.30x = 19,815,542.55 × 5,124,585.30
4. Step 4: Simplify right side
   13,214,298.30x = 101,546,438,063,254.52
5. Step 5: Solve for x
   x = 101,546,438,063,254.52/13,214,298.30
6. Step 6: Final answer
   x = 7,684,587.99