Finding the Fourth Proportional to 139,624,150.91, 192,682,666.87 and 76,901,670.86

Step by Step Solution

1. Step 1: Write the proportion equation
   139,624,150.91 : 192,682,666.87 = 76,901,670.86 : x
2. Step 2: Convert to fraction form
   139,624,150.91/192,682,666.87 = 76,901,670.86/x
3. Step 3: Cross multiply
   139,624,150.91x = 192,682,666.87 × 76,901,670.86
4. Step 4: Simplify right side
   139,624,150.91x = 14,817,619,026,908,100
5. Step 5: Solve for x
   x = 14,817,619,026,908,100/139,624,150.91
6. Step 6: Final answer
   x = 106,125,043.06