Finding the Fourth Proportional to 71,139,942.72, 98,173,185.60 and 38,544,894.72

Step by Step Solution

1. Step 1: Write the proportion equation
   71,139,942.72 : 98,173,185.60 = 38,544,894.72 : x
2. Step 2: Convert to fraction form
   71,139,942.72/98,173,185.60 = 38,544,894.72/x
3. Step 3: Cross multiply
   71,139,942.72x = 98,173,185.60 × 38,544,894.72
4. Step 4: Simplify right side
   71,139,942.72x = 3,784,075,103,279,019.50
5. Step 5: Solve for x
   x = 3,784,075,103,279,019.50/71,139,942.72
6. Step 6: Final answer
   x = 53,191,989.74