Finding the Fourth Proportional to 42,709,215.15, 58,938,420.69 and 23,129,655.39

Step by Step Solution

1. Step 1: Write the proportion equation
   42,709,215.15 : 58,938,420.69 = 23,129,655.39 : x
2. Step 2: Convert to fraction form
   42,709,215.15/58,938,420.69 = 23,129,655.39/x
3. Step 3: Cross multiply
   42,709,215.15x = 58,938,420.69 × 23,129,655.39
4. Step 4: Simplify right side
   42,709,215.15x = 1,363,225,359,790,546
5. Step 5: Solve for x
   x = 1,363,225,359,790,546/42,709,215.15
6. Step 6: Final answer
   x = 31,918,764.02