Finding the Fourth Proportional to 7,312,150.72, 10,110,030.72 and 6,404,129.92

Step by Step Solution

1. Step 1: Write the proportion equation
   7,312,150.72 : 10,110,030.72 = 6,404,129.92 : x
2. Step 2: Convert to fraction form
   7,312,150.72/10,110,030.72 = 6,404,129.92/x
3. Step 3: Cross multiply
   7,312,150.72x = 10,110,030.72 × 6,404,129.92
4. Step 4: Simplify right side
   7,312,150.72x = 64,745,950,226,071.15
5. Step 5: Solve for x
   x = 64,745,950,226,071.15/7,312,150.72
6. Step 6: Final answer
   x = 8,854,569.98