Finding the Fourth Proportional to 105,878,399.40, 158,565,656.70 and 65,063,730.60

Step by Step Solution

1. Step 1: Write the proportion equation
   105,878,399.40 : 158,565,656.70 = 65,063,730.60 : x
2. Step 2: Convert to fraction form
   105,878,399.40/158,565,656.70 = 65,063,730.60/x
3. Step 3: Cross multiply
   105,878,399.40x = 158,565,656.70 × 65,063,730.60
4. Step 4: Simplify right side
   105,878,399.40x = 10,316,873,169,940,884
5. Step 5: Solve for x
   x = 10,316,873,169,940,884/105,878,399.40
6. Step 6: Final answer
   x = 97,440,773.83