Finding the Fourth Proportional to 90,321,497.31, 124,643,777.00 and 49,068,389.69

Step by Step Solution

1. Step 1: Write the proportion equation
   90,321,497.31 : 124,643,777.00 = 49,068,389.69 : x
2. Step 2: Convert to fraction form
   90,321,497.31/124,643,777.00 = 49,068,389.69/x
3. Step 3: Cross multiply
   90,321,497.31x = 124,643,777.00 × 49,068,389.69
4. Step 4: Simplify right side
   90,321,497.31x = 6,116,069,421,868,064
5. Step 5: Solve for x
   x = 6,116,069,421,868,064/90,321,497.31
6. Step 6: Final answer
   x = 67,714,437.91