Finding the Fourth Proportional to 42,707,130, 58,935,751.92 and 23,128,012.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,707,130 : 58,935,751.92 = 23,128,012.50 : x
2. Step 2: Convert to fraction form
   42,707,130/58,935,751.92 = 23,128,012.50/x
3. Step 3: Cross multiply
   42,707,130x = 58,935,751.92 × 23,128,012.50
4. Step 4: Simplify right side
   42,707,130x = 1,363,066,807,102,659
5. Step 5: Solve for x
   x = 1,363,066,807,102,659/42,707,130
6. Step 6: Final answer
   x = 31,916,609.88