Finding the Fourth Proportional to 99,698,016.06, 137,583,452.58 and 55,044,074.52

Step by Step Solution

1. Step 1: Write the proportion equation
   99,698,016.06 : 137,583,452.58 = 55,044,074.52 : x
2. Step 2: Convert to fraction form
   99,698,016.06/137,583,452.58 = 55,044,074.52/x
3. Step 3: Cross multiply
   99,698,016.06x = 137,583,452.58 × 55,044,074.52
4. Step 4: Simplify right side
   99,698,016.06x = 7,573,153,816,532,407
5. Step 5: Solve for x
   x = 7,573,153,816,532,407/99,698,016.06
6. Step 6: Final answer
   x = 75,960,927.97