Finding the Fourth Proportional to 111,897,227.52, 154,377,212.16 and 67,812,423.68

Step by Step Solution

1. Step 1: Write the proportion equation
   111,897,227.52 : 154,377,212.16 = 67,812,423.68 : x
2. Step 2: Convert to fraction form
   111,897,227.52/154,377,212.16 = 67,812,423.68/x
3. Step 3: Cross multiply
   111,897,227.52x = 154,377,212.16 × 67,812,423.68
4. Step 4: Simplify right side
   111,897,227.52x = 10,468,692,917,531,168
5. Step 5: Solve for x
   x = 10,468,692,917,531,168/111,897,227.52
6. Step 6: Final answer
   x = 93,556,320.83