Finding the Fourth Proportional to 98,118,535.91, 135,397,477.61 and 54,063,069.32

Step by Step Solution

1. Step 1: Write the proportion equation
   98,118,535.91 : 135,397,477.61 = 54,063,069.32 : x
2. Step 2: Convert to fraction form
   98,118,535.91/135,397,477.61 = 54,063,069.32/x
3. Step 3: Cross multiply
   98,118,535.91x = 135,397,477.61 × 54,063,069.32
4. Step 4: Simplify right side
   98,118,535.91x = 7,320,003,216,835,274
5. Step 5: Solve for x
   x = 7,320,003,216,835,274/98,118,535.91
6. Step 6: Final answer
   x = 74,603,673.50