Finding the Fourth Proportional to 31,326,444.04, 46,991,930.81 and 13,112,320.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,326,444.04 : 46,991,930.81 = 13,112,320.72 : x
2. Step 2: Convert to fraction form
   31,326,444.04/46,991,930.81 = 13,112,320.72/x
3. Step 3: Cross multiply
   31,326,444.04x = 46,991,930.81 × 13,112,320.72
4. Step 4: Simplify right side
   31,326,444.04x = 616,173,268,032,769.50
5. Step 5: Solve for x
   x = 616,173,268,032,769.50/31,326,444.04
6. Step 6: Final answer
   x = 19,669,429.04