Finding the Fourth Proportional to 57,213,184.56, 78,953,637.98 and 31,107,702.32

Step by Step Solution

1. Step 1: Write the proportion equation
   57,213,184.56 : 78,953,637.98 = 31,107,702.32 : x
2. Step 2: Convert to fraction form
   57,213,184.56/78,953,637.98 = 31,107,702.32/x
3. Step 3: Cross multiply
   57,213,184.56x = 78,953,637.98 × 31,107,702.32
4. Step 4: Simplify right side
   57,213,184.56x = 2,456,066,267,638,039.50
5. Step 5: Solve for x
   x = 2,456,066,267,638,039.50/57,213,184.56
6. Step 6: Final answer
   x = 42,928,326.51