Finding the Fourth Proportional to 105,710,414.10, 158,565,621.15 and 105,710,414.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105,710,414.10 : 158,565,621.15 = 105,710,414.10 : x
2. Step 2: Convert to fraction form
   105,710,414.10/158,565,621.15 = 105,710,414.10/x
3. Step 3: Cross multiply
   105,710,414.10x = 158,565,621.15 × 105,710,414.10
4. Step 4: Simplify right side
   105,710,414.10x = 16,762,037,473,790,218
5. Step 5: Solve for x
   x = 16,762,037,473,790,218/105,710,414.10
6. Step 6: Final answer
   x = 158,565,621.15