Finding the Fourth Proportional to 72,184,638.31, 99,614,823.60 and 39,144,877.53

Step by Step Solution

1. Step 1: Write the proportion equation
   72,184,638.31 : 99,614,823.60 = 39,144,877.53 : x
2. Step 2: Convert to fraction form
   72,184,638.31/99,614,823.60 = 39,144,877.53/x
3. Step 3: Cross multiply
   72,184,638.31x = 99,614,823.60 × 39,144,877.53
4. Step 4: Simplify right side
   72,184,638.31x = 3,899,410,069,994,553.50
5. Step 5: Solve for x
   x = 3,899,410,069,994,553.50/72,184,638.31
6. Step 6: Final answer
   x = 54,019,943.32