Finding the Fourth Proportional to 105,224,379.72, 156,727,008.12 and 100,503,191.94

Step by Step Solution

1. Step 1: Write the proportion equation
   105,224,379.72 : 156,727,008.12 = 100,503,191.94 : x
2. Step 2: Convert to fraction form
   105,224,379.72/156,727,008.12 = 100,503,191.94/x
3. Step 3: Cross multiply
   105,224,379.72x = 156,727,008.12 × 100,503,191.94
4. Step 4: Simplify right side
   105,224,379.72x = 15,751,564,579,266,298
5. Step 5: Solve for x
   x = 15,751,564,579,266,298/105,224,379.72
6. Step 6: Final answer
   x = 149,695,010.05