Finding the Fourth Proportional to 284,322,454.72, 426,483,686.72 and 68,911,702.72

Step by Step Solution

1. Step 1: Write the proportion equation
   284,322,454.72 : 426,483,686.72 = 68,911,702.72 : x
2. Step 2: Convert to fraction form
   284,322,454.72/426,483,686.72 = 68,911,702.72/x
3. Step 3: Cross multiply
   284,322,454.72x = 426,483,686.72 × 68,911,702.72
4. Step 4: Simplify right side
   284,322,454.72x = 29,389,717,034,178,252
5. Step 5: Solve for x
   x = 29,389,717,034,178,252/284,322,454.72
6. Step 6: Final answer
   x = 103,367,555.20