Finding the Fourth Proportional to 42,301,436.53, 63,452,373.76 and 19,256,254.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,301,436.53 : 63,452,373.76 = 19,256,254.63 : x
2. Step 2: Convert to fraction form
   42,301,436.53/63,452,373.76 = 19,256,254.63/x
3. Step 3: Cross multiply
   42,301,436.53x = 63,452,373.76 × 19,256,254.63
4. Step 4: Simplify right side
   42,301,436.53x = 1,221,855,065,757,594.25
5. Step 5: Solve for x
   x = 1,221,855,065,757,594.25/42,301,436.53
6. Step 6: Final answer
   x = 28,884,481.62