Finding the Fourth Proportional to 113,022,113.36, 169,502,817.18 and 31,121,492.72

Step by Step Solution

1. Step 1: Write the proportion equation
   113,022,113.36 : 169,502,817.18 = 31,121,492.72 : x
2. Step 2: Convert to fraction form
   113,022,113.36/169,502,817.18 = 31,121,492.72/x
3. Step 3: Cross multiply
   113,022,113.36x = 169,502,817.18 × 31,121,492.72
4. Step 4: Simplify right side
   113,022,113.36x = 5,275,180,690,886,861
5. Step 5: Solve for x
   x = 5,275,180,690,886,861/113,022,113.36
6. Step 6: Final answer
   x = 46,673,881.19