Finding the Fourth Proportional to 76,846,721.39, 106,049,312.53 and 42,038,664.49

Step by Step Solution

1. Step 1: Write the proportion equation
   76,846,721.39 : 106,049,312.53 = 42,038,664.49 : x
2. Step 2: Convert to fraction form
   76,846,721.39/106,049,312.53 = 42,038,664.49/x
3. Step 3: Cross multiply
   76,846,721.39x = 106,049,312.53 × 42,038,664.49
4. Step 4: Simplify right side
   76,846,721.39x = 4,458,171,468,473,603
5. Step 5: Solve for x
   x = 4,458,171,468,473,603/76,846,721.39
6. Step 6: Final answer
   x = 58,013,814.88