Finding the Fourth Proportional to 54,636,196.37, 75,402,250.53 and 31,115,728.76

Step by Step Solution

1. Step 1: Write the proportion equation
   54,636,196.37 : 75,402,250.53 = 31,115,728.76 : x
2. Step 2: Convert to fraction form
   54,636,196.37/75,402,250.53 = 31,115,728.76/x
3. Step 3: Cross multiply
   54,636,196.37x = 75,402,250.53 × 31,115,728.76
4. Step 4: Simplify right side
   54,636,196.37x = 2,346,195,975,385,046.50
5. Step 5: Solve for x
   x = 2,346,195,975,385,046.50/54,636,196.37
6. Step 6: Final answer
   x = 42,942,154.31