Finding the Fourth Proportional to 111,738,541.80, 154,212,611.50 and 67,684,248.04

Step by Step Solution

1. Step 1: Write the proportion equation
   111,738,541.80 : 154,212,611.50 = 67,684,248.04 : x
2. Step 2: Convert to fraction form
   111,738,541.80/154,212,611.50 = 67,684,248.04/x
3. Step 3: Cross multiply
   111,738,541.80x = 154,212,611.50 × 67,684,248.04
4. Step 4: Simplify right side
   111,738,541.80x = 10,437,764,647,662,158
5. Step 5: Solve for x
   x = 10,437,764,647,662,158/111,738,541.80
6. Step 6: Final answer
   x = 93,412,393.61