Finding the Fourth Proportional to 42,374,503.72, 63,568,080.06 and 19,657,697.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,374,503.72 : 63,568,080.06 = 19,657,697.32 : x
2. Step 2: Convert to fraction form
   42,374,503.72/63,568,080.06 = 19,657,697.32/x
3. Step 3: Cross multiply
   42,374,503.72x = 63,568,080.06 × 19,657,697.32
4. Step 4: Simplify right side
   42,374,503.72x = 1,249,602,077,033,007.50
5. Step 5: Solve for x
   x = 1,249,602,077,033,007.50/42,374,503.72
6. Step 6: Final answer
   x = 29,489,479.93