Finding the Fourth Proportional to 5,156,083.31, 7,112,434.37 and 3,218,980.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,156,083.31 : 7,112,434.37 = 3,218,980.86 : x
2. Step 2: Convert to fraction form
   5,156,083.31/7,112,434.37 = 3,218,980.86/x
3. Step 3: Cross multiply
   5,156,083.31x = 7,112,434.37 × 3,218,980.86
4. Step 4: Simplify right side
   5,156,083.31x = 22,894,790,088,941.25
5. Step 5: Solve for x
   x = 22,894,790,088,941.25/5,156,083.31
6. Step 6: Final answer
   x = 4,440,345.26