Finding the Fourth Proportional to 123,304,882.19, 184,760,578.47 and 90,362,778.69

Step by Step Solution

1. Step 1: Write the proportion equation
   123,304,882.19 : 184,760,578.47 = 90,362,778.69 : x
2. Step 2: Convert to fraction form
   123,304,882.19/184,760,578.47 = 90,362,778.69/x
3. Step 3: Cross multiply
   123,304,882.19x = 184,760,578.47 × 90,362,778.69
4. Step 4: Simplify right side
   123,304,882.19x = 16,695,479,262,920,988
5. Step 5: Solve for x
   x = 16,695,479,262,920,988/123,304,882.19
6. Step 6: Final answer
   x = 135,399,985.52