Finding the Fourth Proportional to 99,322,825.60, 148,990,534.72 and 31,168,206.72

Step by Step Solution

1. Step 1: Write the proportion equation
   99,322,825.60 : 148,990,534.72 = 31,168,206.72 : x
2. Step 2: Convert to fraction form
   99,322,825.60/148,990,534.72 = 31,168,206.72/x
3. Step 3: Cross multiply
   99,322,825.60x = 148,990,534.72 × 31,168,206.72
4. Step 4: Simplify right side
   99,322,825.60x = 4,643,767,785,476,297
5. Step 5: Solve for x
   x = 4,643,767,785,476,297/99,322,825.60
6. Step 6: Final answer
   x = 46,754,285.91