Finding the Fourth Proportional to 76,856,259.78, 106,064,167.79 and 42,048,153.67

Step by Step Solution

1. Step 1: Write the proportion equation
   76,856,259.78 : 106,064,167.79 = 42,048,153.67 : x
2. Step 2: Convert to fraction form
   76,856,259.78/106,064,167.79 = 42,048,153.67/x
3. Step 3: Cross multiply
   76,856,259.78x = 106,064,167.79 × 42,048,153.67
4. Step 4: Simplify right side
   76,856,259.78x = 4,459,802,425,904,343.50
5. Step 5: Solve for x
   x = 4,459,802,425,904,343.50/76,856,259.78
6. Step 6: Final answer
   x = 58,027,835.85