Finding the Fourth Proportional to 49,995,191.28, 74,924,695.89 and 28,145,992.08

Step by Step Solution

1. Step 1: Write the proportion equation
   49,995,191.28 : 74,924,695.89 = 28,145,992.08 : x
2. Step 2: Convert to fraction form
   49,995,191.28/74,924,695.89 = 28,145,992.08/x
3. Step 3: Cross multiply
   49,995,191.28x = 74,924,695.89 × 28,145,992.08
4. Step 4: Simplify right side
   49,995,191.28x = 2,108,829,897,116,348.50
5. Step 5: Solve for x
   x = 2,108,829,897,116,348.50/49,995,191.28
6. Step 6: Final answer
   x = 42,180,654.64