Finding the Fourth Proportional to 31,229,128.30, 46,845,529.56 and 12,059,985.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,229,128.30 : 46,845,529.56 = 12,059,985.82 : x
2. Step 2: Convert to fraction form
   31,229,128.30/46,845,529.56 = 12,059,985.82/x
3. Step 3: Cross multiply
   31,229,128.30x = 46,845,529.56 × 12,059,985.82
4. Step 4: Simplify right side
   31,229,128.30x = 564,956,422,223,990.88
5. Step 5: Solve for x
   x = 564,956,422,223,990.88/31,229,128.30
6. Step 6: Final answer
   x = 18,090,688.18