Finding the Fourth Proportional to 154,112,533.82, 231,133,426.27 and 91,881,456.92

Step by Step Solution

1. Step 1: Write the proportion equation
   154,112,533.82 : 231,133,426.27 = 91,881,456.92 : x
2. Step 2: Convert to fraction form
   154,112,533.82/231,133,426.27 = 91,881,456.92/x
3. Step 3: Cross multiply
   154,112,533.82x = 231,133,426.27 × 91,881,456.92
4. Step 4: Simplify right side
   154,112,533.82x = 21,236,875,948,599,004
5. Step 5: Solve for x
   x = 21,236,875,948,599,004/154,112,533.82
6. Step 6: Final answer
   x = 137,801,095.23