Finding the Fourth Proportional to 152,253,790.63, 228,429,870.17 and 70,426,345.99

Step by Step Solution

1. Step 1: Write the proportion equation
   152,253,790.63 : 228,429,870.17 = 70,426,345.99 : x
2. Step 2: Convert to fraction form
   152,253,790.63/228,429,870.17 = 70,426,345.99/x
3. Step 3: Cross multiply
   152,253,790.63x = 228,429,870.17 × 70,426,345.99
4. Step 4: Simplify right side
   152,253,790.63x = 16,087,481,071,043,198
5. Step 5: Solve for x
   x = 16,087,481,071,043,198/152,253,790.63
6. Step 6: Final answer
   x = 105,662,269.59