Finding the Fourth Proportional to 42,258,061.30, 63,400,696.71 and 19,237,232.74

Step by Step Solution

1. Step 1: Write the proportion equation
   42,258,061.30 : 63,400,696.71 = 19,237,232.74 : x
2. Step 2: Convert to fraction form
   42,258,061.30/63,400,696.71 = 19,237,232.74/x
3. Step 3: Cross multiply
   42,258,061.30x = 63,400,696.71 × 19,237,232.74
4. Step 4: Simplify right side
   42,258,061.30x = 1,219,653,958,488,422.25
5. Step 5: Solve for x
   x = 1,219,653,958,488,422.25/42,258,061.30
6. Step 6: Final answer
   x = 28,862,042.44