Finding the Fourth Proportional to 90,402,362.36, 124,781,810.56 and 59,045,205.10

Step by Step Solution

1. Step 1: Write the proportion equation
   90,402,362.36 : 124,781,810.56 = 59,045,205.10 : x
2. Step 2: Convert to fraction form
   90,402,362.36/124,781,810.56 = 59,045,205.10/x
3. Step 3: Cross multiply
   90,402,362.36x = 124,781,810.56 × 59,045,205.10
4. Step 4: Simplify right side
   90,402,362.36x = 7,367,767,597,264,546
5. Step 5: Solve for x
   x = 7,367,767,597,264,546/90,402,362.36
6. Step 6: Final answer
   x = 81,499,724.18