Finding the Fourth Proportional to 91,142,753.88, 136,713,819.78 and 37,290,065.88

Step by Step Solution

1. Step 1: Write the proportion equation
   91,142,753.88 : 136,713,819.78 = 37,290,065.88 : x
2. Step 2: Convert to fraction form
   91,142,753.88/136,713,819.78 = 37,290,065.88/x
3. Step 3: Cross multiply
   91,142,753.88x = 136,713,819.78 × 37,290,065.88
4. Step 4: Simplify right side
   91,142,753.88x = 5,098,067,346,302,648
5. Step 5: Solve for x
   x = 5,098,067,346,302,648/91,142,753.88
6. Step 6: Final answer
   x = 55,934,971.56