Finding the Fourth Proportional to 12,932,454.31, 19,399,139.72 and 3,217,117.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,932,454.31 : 19,399,139.72 = 3,217,117.88 : x
2. Step 2: Convert to fraction form
   12,932,454.31/19,399,139.72 = 3,217,117.88/x
3. Step 3: Cross multiply
   12,932,454.31x = 19,399,139.72 × 3,217,117.88
4. Step 4: Simplify right side
   12,932,454.31x = 62,409,319,249,830.19
5. Step 5: Solve for x
   x = 62,409,319,249,830.19/12,932,454.31
6. Step 6: Final answer
   x = 4,825,790.82