Finding the Fourth Proportional to 347,726,016.96, 521,664,297.12 and 105,407,194.56

Step by Step Solution

1. Step 1: Write the proportion equation
   347,726,016.96 : 521,664,297.12 = 105,407,194.56 : x
2. Step 2: Convert to fraction form
   347,726,016.96/521,664,297.12 = 105,407,194.56/x
3. Step 3: Cross multiply
   347,726,016.96x = 521,664,297.12 × 105,407,194.56
4. Step 4: Simplify right side
   347,726,016.96x = 54,987,170,061,533,488
5. Step 5: Solve for x
   x = 54,987,170,061,533,488/347,726,016.96
6. Step 6: Final answer
   x = 158,133,609.16