Finding the Fourth Proportional to 111,897.59, 154,421.90 and 60,913.62

Step by Step Solution

1. Step 1: Write the proportion equation
   111,897.59 : 154,421.90 = 60,913.62 : x
2. Step 2: Convert to fraction form
   111,897.59/154,421.90 = 60,913.62/x
3. Step 3: Cross multiply
   111,897.59x = 154,421.90 × 60,913.62
4. Step 4: Simplify right side
   111,897.59x = 9,406,396,631.71
5. Step 5: Solve for x
   x = 9,406,396,631.71/111,897.59
6. Step 6: Final answer
   x = 84,062.55