Finding the Fourth Proportional to 76,633,353.86, 114,965,197.59 and 28,111,631.54

Step by Step Solution

1. Step 1: Write the proportion equation
   76,633,353.86 : 114,965,197.59 = 28,111,631.54 : x
2. Step 2: Convert to fraction form
   76,633,353.86/114,965,197.59 = 28,111,631.54/x
3. Step 3: Cross multiply
   76,633,353.86x = 114,965,197.59 × 28,111,631.54
4. Step 4: Simplify right side
   76,633,353.86x = 3,231,859,274,573,376
5. Step 5: Solve for x
   x = 3,231,859,274,573,376/76,633,353.86
6. Step 6: Final answer
   x = 42,173,010.99