Finding the Fourth Proportional to 137,108,667.42, 189,210,320.39 and 74,384,762.16

Step by Step Solution

1. Step 1: Write the proportion equation
   137,108,667.42 : 189,210,320.39 = 74,384,762.16 : x
2. Step 2: Convert to fraction form
   137,108,667.42/189,210,320.39 = 74,384,762.16/x
3. Step 3: Cross multiply
   137,108,667.42x = 189,210,320.39 × 74,384,762.16
4. Step 4: Simplify right side
   137,108,667.42x = 14,074,364,680,427,546
5. Step 5: Solve for x
   x = 14,074,364,680,427,546/137,108,667.42
6. Step 6: Final answer
   x = 102,651,166.74