Finding the Fourth Proportional to 8,472,681.72, 12,709,854.18 and 2,407,693.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,472,681.72 : 12,709,854.18 = 2,407,693.32 : x
2. Step 2: Convert to fraction form
   8,472,681.72/12,709,854.18 = 2,407,693.32/x
3. Step 3: Cross multiply
   8,472,681.72x = 12,709,854.18 × 2,407,693.32
4. Step 4: Simplify right side
   8,472,681.72x = 30,601,431,007,360.07
5. Step 5: Solve for x
   x = 30,601,431,007,360.07/8,472,681.72
6. Step 6: Final answer
   x = 3,611,776.30