Finding the Fourth Proportional to 103,171,116.96, 142,377,199.92 and 59,117,162.16

Step by Step Solution

1. Step 1: Write the proportion equation
   103,171,116.96 : 142,377,199.92 = 59,117,162.16 : x
2. Step 2: Convert to fraction form
   103,171,116.96/142,377,199.92 = 59,117,162.16/x
3. Step 3: Cross multiply
   103,171,116.96x = 142,377,199.92 × 59,117,162.16
4. Step 4: Simplify right side
   103,171,116.96x = 8,416,936,015,557,378
5. Step 5: Solve for x
   x = 8,416,936,015,557,378/103,171,116.96
6. Step 6: Final answer
   x = 81,582,290.31