Finding the Fourth Proportional to 71,854,216.47, 99,158,738.56 and 38,814,457.74

Step by Step Solution

1. Step 1: Write the proportion equation
   71,854,216.47 : 99,158,738.56 = 38,814,457.74 : x
2. Step 2: Convert to fraction form
   71,854,216.47/99,158,738.56 = 38,814,457.74/x
3. Step 3: Cross multiply
   71,854,216.47x = 99,158,738.56 × 38,814,457.74
4. Step 4: Simplify right side
   71,854,216.47x = 3,848,792,666,919,947
5. Step 5: Solve for x
   x = 3,848,792,666,919,947/71,854,216.47
6. Step 6: Final answer
   x = 53,563,908.37