Finding the Fourth Proportional to 42,773,279.33, 64,157,261.79 and 13,626,397.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,773,279.33 : 64,157,261.79 = 13,626,397.69 : x
2. Step 2: Convert to fraction form
   42,773,279.33/64,157,261.79 = 13,626,397.69/x
3. Step 3: Cross multiply
   42,773,279.33x = 64,157,261.79 × 13,626,397.69
4. Step 4: Simplify right side
   42,773,279.33x = 874,232,363,851,981.25
5. Step 5: Solve for x
   x = 874,232,363,851,981.25/42,773,279.33
6. Step 6: Final answer
   x = 20,438,750.02