Finding the Fourth Proportional to 12,831,017.32, 17,709,085.38 and 7,674,946.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,831,017.32 : 17,709,085.38 = 7,674,946.12 : x
2. Step 2: Convert to fraction form
   12,831,017.32/17,709,085.38 = 7,674,946.12/x
3. Step 3: Cross multiply
   12,831,017.32x = 17,709,085.38 × 7,674,946.12
4. Step 4: Simplify right side
   12,831,017.32x = 135,916,276,125,979.72
5. Step 5: Solve for x
   x = 135,916,276,125,979.72/12,831,017.32
6. Step 6: Final answer
   x = 10,592,790.32