Finding the Fourth Proportional to 90,825,817.98, 136,238,726.96 and 90,825,817.98

Step by Step Solution

1. Step 1: Write the proportion equation
   90,825,817.98 : 136,238,726.96 = 90,825,817.98 : x
2. Step 2: Convert to fraction form
   90,825,817.98/136,238,726.96 = 90,825,817.98/x
3. Step 3: Cross multiply
   90,825,817.98x = 136,238,726.96 × 90,825,817.98
4. Step 4: Simplify right side
   90,825,817.98x = 12,373,993,816,695,880
5. Step 5: Solve for x
   x = 12,373,993,816,695,880/90,825,817.98
6. Step 6: Final answer
   x = 136,238,726.96