Finding the Fourth Proportional to 7,158,131.52, 9,878,454.72 and 4,102,922.40

Step by Step Solution

1. Step 1: Write the proportion equation
   7,158,131.52 : 9,878,454.72 = 4,102,922.40 : x
2. Step 2: Convert to fraction form
   7,158,131.52/9,878,454.72 = 4,102,922.40/x
3. Step 3: Cross multiply
   7,158,131.52x = 9,878,454.72 × 4,102,922.40
4. Step 4: Simplify right side
   7,158,131.52x = 40,530,533,148,073.73
5. Step 5: Solve for x
   x = 40,530,533,148,073.73/7,158,131.52
6. Step 6: Final answer
   x = 5,662,166.59