Finding the Fourth Proportional to 105,978,442.18, 158,863,877.70 and 59,314,716.40

Step by Step Solution

1. Step 1: Write the proportion equation
   105,978,442.18 : 158,863,877.70 = 59,314,716.40 : x
2. Step 2: Convert to fraction form
   105,978,442.18/158,863,877.70 = 59,314,716.40/x
3. Step 3: Cross multiply
   105,978,442.18x = 158,863,877.70 × 59,314,716.40
4. Step 4: Simplify right side
   105,978,442.18x = 9,422,965,851,979,784
5. Step 5: Solve for x
   x = 9,422,965,851,979,784/105,978,442.18
6. Step 6: Final answer
   x = 88,913,987.20