Finding the Fourth Proportional to 11,931,391.37, 17,893,820.72 and 3,293,426.87

Step by Step Solution

1. Step 1: Write the proportion equation
   11,931,391.37 : 17,893,820.72 = 3,293,426.87 : x
2. Step 2: Convert to fraction form
   11,931,391.37/17,893,820.72 = 3,293,426.87/x
3. Step 3: Cross multiply
   11,931,391.37x = 17,893,820.72 × 3,293,426.87
4. Step 4: Simplify right side
   11,931,391.37x = 58,931,989,860,274.52
5. Step 5: Solve for x
   x = 58,931,989,860,274.52/11,931,391.37
6. Step 6: Final answer
   x = 4,939,238.69