Finding the Fourth Proportional to 42,301,439.91, 63,452,378.82 and 19,256,258.00

Step by Step Solution

1. Step 1: Write the proportion equation
   42,301,439.91 : 63,452,378.82 = 19,256,258.00 : x
2. Step 2: Convert to fraction form
   42,301,439.91/63,452,378.82 = 19,256,258.00/x
3. Step 3: Cross multiply
   42,301,439.91x = 63,452,378.82 × 19,256,258.00
4. Step 4: Simplify right side
   42,301,439.91x = 1,221,855,377,502,497.50
5. Step 5: Solve for x
   x = 1,221,855,377,502,497.50/42,301,439.91
6. Step 6: Final answer
   x = 28,884,486.68