Finding the Fourth Proportional to 42,702,842.18, 58,929,815.79 and 23,123,729.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,702,842.18 : 58,929,815.79 = 23,123,729.34 : x
2. Step 2: Convert to fraction form
   42,702,842.18/58,929,815.79 = 23,123,729.34/x
3. Step 3: Cross multiply
   42,702,842.18x = 58,929,815.79 × 23,123,729.34
4. Step 4: Simplify right side
   42,702,842.18x = 1,362,677,110,384,018.25
5. Step 5: Solve for x
   x = 1,362,677,110,384,018.25/42,702,842.18
6. Step 6: Final answer
   x = 31,910,688.86