Finding the Fourth Proportional to 31,078,123.57, 46,621,439.69 and 10,602,345.58

Step by Step Solution

1. Step 1: Write the proportion equation
   31,078,123.57 : 46,621,439.69 = 10,602,345.58 : x
2. Step 2: Convert to fraction form
   31,078,123.57/46,621,439.69 = 10,602,345.58/x
3. Step 3: Cross multiply
   31,078,123.57x = 46,621,439.69 × 10,602,345.58
4. Step 4: Simplify right side
   31,078,123.57x = 494,296,614,977,496.38
5. Step 5: Solve for x
   x = 494,296,614,977,496.38/31,078,123.57
6. Step 6: Final answer
   x = 15,904,969.74