Finding the Fourth Proportional to 91,314,337.99, 137,018,598.59 and 42,797,120.80

Step by Step Solution

1. Step 1: Write the proportion equation
   91,314,337.99 : 137,018,598.59 = 42,797,120.80 : x
2. Step 2: Convert to fraction form
   91,314,337.99/137,018,598.59 = 42,797,120.80/x
3. Step 3: Cross multiply
   91,314,337.99x = 137,018,598.59 × 42,797,120.80
4. Step 4: Simplify right side
   91,314,337.99x = 5,864,001,515,146,408
5. Step 5: Solve for x
   x = 5,864,001,515,146,408/91,314,337.99
6. Step 6: Final answer
   x = 64,217,752.05