Finding the Fourth Proportional to 72,738,068.55, 109,107,102.83 and 69,150,841.80

Step by Step Solution

1. Step 1: Write the proportion equation
   72,738,068.55 : 109,107,102.83 = 69,150,841.80 : x
2. Step 2: Convert to fraction form
   72,738,068.55/109,107,102.83 = 69,150,841.80/x
3. Step 3: Cross multiply
   72,738,068.55x = 109,107,102.83 × 69,150,841.80
4. Step 4: Simplify right side
   72,738,068.55x = 7,544,848,006,707,908
5. Step 5: Solve for x
   x = 7,544,848,006,707,908/72,738,068.55
6. Step 6: Final answer
   x = 103,726,262.70