Finding the Fourth Proportional to 91,189,068.30, 136,485,004.05 and 70,884,377.10

Step by Step Solution

1. Step 1: Write the proportion equation
   91,189,068.30 : 136,485,004.05 = 70,884,377.10 : x
2. Step 2: Convert to fraction form
   91,189,068.30/136,485,004.05 = 70,884,377.10/x
3. Step 3: Cross multiply
   91,189,068.30x = 136,485,004.05 × 70,884,377.10
4. Step 4: Simplify right side
   91,189,068.30x = 9,674,654,495,575,228
5. Step 5: Solve for x
   x = 9,674,654,495,575,228/91,189,068.30
6. Step 6: Final answer
   x = 106,094,454.92