Finding the Fourth Proportional to 56,144,217.29, 77,368,652.82 and 42,928,368.34

Step by Step Solution

1. Step 1: Write the proportion equation
   56,144,217.29 : 77,368,652.82 = 42,928,368.34 : x
2. Step 2: Convert to fraction form
   56,144,217.29/77,368,652.82 = 42,928,368.34/x
3. Step 3: Cross multiply
   56,144,217.29x = 77,368,652.82 × 42,928,368.34
4. Step 4: Simplify right side
   56,144,217.29x = 3,321,310,026,178,106.50
5. Step 5: Solve for x
   x = 3,321,310,026,178,106.50/56,144,217.29
6. Step 6: Final answer
   x = 59,156,760.69