Finding the Fourth Proportional to 56,606,949.36, 78,116,561.60 and 31,488,936.03

Step by Step Solution

1. Step 1: Write the proportion equation
   56,606,949.36 : 78,116,561.60 = 31,488,936.03 : x
2. Step 2: Convert to fraction form
   56,606,949.36/78,116,561.60 = 31,488,936.03/x
3. Step 3: Cross multiply
   56,606,949.36x = 78,116,561.60 × 31,488,936.03
4. Step 4: Simplify right side
   56,606,949.36x = 2,459,807,410,948,510
5. Step 5: Solve for x
   x = 2,459,807,410,948,510/56,606,949.36
6. Step 6: Final answer
   x = 43,454,159.58