Finding the Fourth Proportional to 112,815,174.54, 155,670,558.18 and 65,760,474.98

Step by Step Solution

1. Step 1: Write the proportion equation
   112,815,174.54 : 155,670,558.18 = 65,760,474.98 : x
2. Step 2: Convert to fraction form
   112,815,174.54/155,670,558.18 = 65,760,474.98/x
3. Step 3: Cross multiply
   112,815,174.54x = 155,670,558.18 × 65,760,474.98
4. Step 4: Simplify right side
   112,815,174.54x = 10,236,969,846,830,674
5. Step 5: Solve for x
   x = 10,236,969,846,830,674/112,815,174.54
6. Step 6: Final answer
   x = 90,741,071.75