Finding the Fourth Proportional to 83,243,452.56, 124,808,426.19 and 42,223,794.45

Step by Step Solution

1. Step 1: Write the proportion equation
   83,243,452.56 : 124,808,426.19 = 42,223,794.45 : x
2. Step 2: Convert to fraction form
   83,243,452.56/124,808,426.19 = 42,223,794.45/x
3. Step 3: Cross multiply
   83,243,452.56x = 124,808,426.19 × 42,223,794.45
4. Step 4: Simplify right side
   83,243,452.56x = 5,269,885,333,074,557
5. Step 5: Solve for x
   x = 5,269,885,333,074,557/83,243,452.56
6. Step 6: Final answer
   x = 63,306,904.88