Finding the Fourth Proportional to 42,456,343.46, 58,571,312.90 and 26,978,124.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,456,343.46 : 58,571,312.90 = 26,978,124.30 : x
2. Step 2: Convert to fraction form
   42,456,343.46/58,571,312.90 = 26,978,124.30/x
3. Step 3: Cross multiply
   42,456,343.46x = 58,571,312.90 × 26,978,124.30
4. Step 4: Simplify right side
   42,456,343.46x = 1,580,144,159,830,393.50
5. Step 5: Solve for x
   x = 1,580,144,159,830,393.50/42,456,343.46
6. Step 6: Final answer
   x = 37,218,093.48