Finding the Fourth Proportional to 99,483,347.27, 137,287,551.59 and 57,093,526.49

Step by Step Solution

1. Step 1: Write the proportion equation
   99,483,347.27 : 137,287,551.59 = 57,093,526.49 : x
2. Step 2: Convert to fraction form
   99,483,347.27/137,287,551.59 = 57,093,526.49/x
3. Step 3: Cross multiply
   99,483,347.27x = 137,287,551.59 × 57,093,526.49
4. Step 4: Simplify right side
   99,483,347.27x = 7,838,230,463,013,968
5. Step 5: Solve for x
   x = 7,838,230,463,013,968/99,483,347.27
6. Step 6: Final answer
   x = 78,789,372.07