Finding the Fourth Proportional to 90,986,472, 136,479,726.72 and 30,402,204.48

Step by Step Solution

1. Step 1: Write the proportion equation
   90,986,472 : 136,479,726.72 = 30,402,204.48 : x
2. Step 2: Convert to fraction form
   90,986,472/136,479,726.72 = 30,402,204.48/x
3. Step 3: Cross multiply
   90,986,472x = 136,479,726.72 × 30,402,204.48
4. Step 4: Simplify right side
   90,986,472x = 4,149,284,559,115,959.50
5. Step 5: Solve for x
   x = 4,149,284,559,115,959.50/90,986,472
6. Step 6: Final answer
   x = 45,603,312.98