Finding the Fourth Proportional to 56,015,667.75, 77,302,988.37 and 31,235,612.75

Step by Step Solution

1. Step 1: Write the proportion equation
   56,015,667.75 : 77,302,988.37 = 31,235,612.75 : x
2. Step 2: Convert to fraction form
   56,015,667.75/77,302,988.37 = 31,235,612.75/x
3. Step 3: Cross multiply
   56,015,667.75x = 77,302,988.37 × 31,235,612.75
4. Step 4: Simplify right side
   56,015,667.75x = 2,414,606,208,756,559
5. Step 5: Solve for x
   x = 2,414,606,208,756,559/56,015,667.75
6. Step 6: Final answer
   x = 43,105,907.79