Finding the Fourth Proportional to 105,854,405.61, 158,727,089.57 and 47,512,068.17

Step by Step Solution

1. Step 1: Write the proportion equation
   105,854,405.61 : 158,727,089.57 = 47,512,068.17 : x
2. Step 2: Convert to fraction form
   105,854,405.61/158,727,089.57 = 47,512,068.17/x
3. Step 3: Cross multiply
   105,854,405.61x = 158,727,089.57 × 47,512,068.17
4. Step 4: Simplify right side
   105,854,405.61x = 7,541,452,300,197,063
5. Step 5: Solve for x
   x = 7,541,452,300,197,063/105,854,405.61
6. Step 6: Final answer
   x = 71,243,631.83