Finding the Fourth Proportional to 42,139,968.12, 58,157,876.88 and 23,806,434.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,139,968.12 : 58,157,876.88 = 23,806,434.60 : x
2. Step 2: Convert to fraction form
   42,139,968.12/58,157,876.88 = 23,806,434.60/x
3. Step 3: Cross multiply
   42,139,968.12x = 58,157,876.88 × 23,806,434.60
4. Step 4: Simplify right side
   42,139,968.12x = 1,384,531,692,418,572.25
5. Step 5: Solve for x
   x = 1,384,531,692,418,572.25/42,139,968.12
6. Step 6: Final answer
   x = 32,855,546.75