Finding the Fourth Proportional to 7,141,141.86, 9,861,501.61 and 4,971,617.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,141,141.86 : 9,861,501.61 = 4,971,617.25 : x
2. Step 2: Convert to fraction form
   7,141,141.86/9,861,501.61 = 4,971,617.25/x
3. Step 3: Cross multiply
   7,141,141.86x = 9,861,501.61 × 4,971,617.25
4. Step 4: Simplify right side
   7,141,141.86x = 49,027,611,453,442.22
5. Step 5: Solve for x
   x = 49,027,611,453,442.22/7,141,141.86
6. Step 6: Final answer
   x = 6,865,514.29