Finding the Fourth Proportional to 56,937,112.29, 78,573,073.23 and 30,831,628.77

Step by Step Solution

1. Step 1: Write the proportion equation
   56,937,112.29 : 78,573,073.23 = 30,831,628.77 : x
2. Step 2: Convert to fraction form
   56,937,112.29/78,573,073.23 = 30,831,628.77/x
3. Step 3: Cross multiply
   56,937,112.29x = 78,573,073.23 × 30,831,628.77
4. Step 4: Simplify right side
   56,937,112.29x = 2,422,535,825,145,385
5. Step 5: Solve for x
   x = 2,422,535,825,145,385/56,937,112.29
6. Step 6: Final answer
   x = 42,547,570.96